diff --git a/src/ddo/DDO.ts b/src/ddo/DDO.ts
index 8bad700d..0db100ca 100644
--- a/src/ddo/DDO.ts
+++ b/src/ddo/DDO.ts
@@ -8,6 +8,7 @@ import { BestPrice } from './interfaces/BestPrice'
 import { DataTokenInfo } from './interfaces/DataTokenInfo'
 import { PurgatoryData } from './interfaces/PurgatoryData'
 import { Credentials } from './interfaces/Credentials'
+import { Event } from './interfaces/Event'
 /**
  * DID Descriptor Object.
  * Contains all the data related to an asset.
@@ -67,6 +68,8 @@ export class DDO {
 
   public chainId?: number
 
+  public event?: Event
+
   public constructor(ddo: Partial<DDO> = {}) {
     Object.assign(this, ddo, {
       created: (ddo && ddo.created) || new Date().toISOString().replace(/\.[0-9]{3}/, '')
diff --git a/src/ddo/interfaces/Event.d.ts b/src/ddo/interfaces/Event.d.ts
new file mode 100644
index 00000000..0a1fca80
--- /dev/null
+++ b/src/ddo/interfaces/Event.d.ts
@@ -0,0 +1,7 @@
+export interface Event {
+  blockNo: number
+  contract: string
+  from: string
+  txid: string
+  update: boolean
+}